Home / 55,998.18-77,273.82-30,847.68

Finding the Fourth Proportional to 55,998.18, 77,273.82 and 30,847.68

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Solution

The fourth proportional to 55,998.18, 77,273.82 and 30,847.68 is: 42,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,998.18 : 77,273.82 = 30,847.68 : x
  2. Step 2: Convert to fraction form
    55,998.18/77,273.82 = 30,847.68/x
  3. Step 3: Cross multiply
    55,998.18x = 77,273.82 × 30,847.68
  4. Step 4: Simplify right side
    55,998.18x = 2,383,718,071.74
  5. Step 5: Solve for x
    x = 2,383,718,071.74/55,998.18
  6. Step 6: Final answer
    x = 42,567.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.